<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<style type="text/css">
			html{
				font-size: 1px;
				background-color: #ff0;
			}
			@media (min-width:576px) {
				html{
					font-size: 10px;
					background-color: #0f0;
				}
			}
			@media  (min-width:768px){
				html{
					font-size: 23px;
					background-color: #00f;
				}
			}
			@media  (min-width:992px){
				html{
					font-size: 32px;
					background-color: #0ff;
				}
			}
			@media  (min-width:1200px){
				html{
					font-size: 50px;
					background-color: #f0f;
				}
			}
			
			div{
				width: 5rem;
				height: 5rem;
				font-size: 2rem;
				background-color: #0099FF;
				white-space: nowrap;
			}
		</style>
	</head>
	<body>
		<div id="">
			媒体查询
		</div>
	</body>
</html>
